Central Intelligence Agency
The Central Intelligence Agency
Reducing Glass
This glass reduces rather than magnifies. Cartographers often produced a final map at 50-75 percent of its draft size, and this tool allowed them to visualize how their draft line work would appear at the final size.
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Uploaded on November 9, 2016
Reducing Glass
This glass reduces rather than magnifies. Cartographers often produced a final map at 50-75 percent of its draft size, and this tool allowed them to visualize how their draft line work would appear at the final size.
7,186
views
3
faves
0
comments
Uploaded on November 9, 2016